This category is for information about gemstones and their properties.
Gemstones are generally regarded as: Polished fragments of 'precious' and 'semi-precious' minerals, used for decorative purposes.
Examples of Precious Stones:
Diamonds / Sapphires / Rubies / Emeralds
Examples of Semi-Precious Stones:
Topaz / Garnet / Spinels.
Examples of Other stones used as gems:
Jade / Agate / Opal
More information
More information
Subcategories 1
Related categories 4
Sites 13
Dominican rough blue amber for jewellers and collectors.
A gem identification chart.
Software for the professional gemologist or gemology student/enthusiast.
An on-line gem and jewelry course at UC Berkeley.
Analyzes Burma ruby and sapphire gems and collector gemstone markets.
A collection of images and other information about gemstones, collector stones and the minerals with which they are associated.
Gem and mineral site from Sweden.
Mineral and gemstone galleries. Physical properties and historical facts for minerals and gemstones.
Introduction to collecting and investing in gemstones and colored diamonds, with descriptions of the types most widely traded.
Gemstone primer with photos and vital information regarding gemstones.
A new gem book by R. W. Wise.
Pictures and short descriptions of gems and minerals on display at the Smithsonian.
Gem and Mineral class at the University of Texas, Austin.
Pictures and short descriptions of gems and minerals on display at the Smithsonian.
A new gem book by R. W. Wise.
A collection of images and other information about gemstones, collector stones and the minerals with which they are associated.
An on-line gem and jewelry course at UC Berkeley.
A gem identification chart.
Gem and Mineral class at the University of Texas, Austin.
Introduction to collecting and investing in gemstones and colored diamonds, with descriptions of the types most widely traded.
Gemstone primer with photos and vital information regarding gemstones.
Mineral and gemstone galleries. Physical properties and historical facts for minerals and gemstones.
Analyzes Burma ruby and sapphire gems and collector gemstone markets.
Gem and mineral site from Sweden.
Dominican rough blue amber for jewellers and collectors.
Software for the professional gemologist or gemology student/enthusiast.
Last update:
January 22, 2022 at 8:05:22 UTC
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- Recently edited by shedragon
- Recently edited by shedragon